<?php
/**
 * File: fbconfig.php
 * 
 * This file will enforce that the user must log into Facebook before being
 * able to see the iHacky application. It will also check to see if the 
 * user has a valid session. If the user does not have a valid session, this 
 * file will redirect them to the Facebook login page. 
 */
/**
 * 
 */
require_once 'client/facebook.php';
require_once 'config.php';

$facebook = new Facebook($api_key, $secret);
$facebook->require_frame();
$user = $facebook->require_login();

//[todo: change the following url to your callback url]
$appcallbackurl = 'http://www.ikoaguild.com/ihacky';

//catch the exception that gets thrown if the cookie has an invalid session_key in it
try {
  if (!$facebook->api_client->users_isAppAdded()) {
    $facebook->redirect($facebook->get_add_url());
  }
} catch (Exception $ex) {
  //this will clear cookies for your application and redirect them to a login prompt
  $facebook->set_user(null, null);
  $facebook->redirect($appcallbackurl);
}
?>